Features: Large through-current capacity, long service life. Multi-level protection, low residual voltage, reliable protection performance. Low insertion loss, excellent transmission performance. Built-in fast semiconductor protection device with nanosecond response speed. Energy saving, environmentally friendly, rack-mount design for easy installation.Scope of Application: The audio telephone lightning protector (phone lightning arrester) is designed according to IEC and international standards, mainly used for lightning and overvoltage protection of telecommunication and data communication signal lines and connected equipment such as telephones, SPC exchanges, fax machines, ADSL, modems. Easy to install, no special maintenance required.Specifications: Condition: New Working Voltage Uc: 110V Clamping Voltage Up: 180V Nominal Discharge Current 8/20s: 5kA Maximum Discharge Current 8/20s: 10kA Adaptive Transmission Rate: 2Mbps Temperature Range: -40C to +80C Installation Method: In series Insertion Loss: 0.5dB Response Time: 1ns Interface Type: RJ11 Protection Level: IP20 Material: Metal Color: As shown in picture Size: Approx. 80 x 25 x 25mm / 3.1 x 1 x 1in Package List: 1 x Telephone Surge Protector 1 x User Manual